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Recent questions tagged isro-ece
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91
ISRO 2009-ECE Matrices
Evaluate A3 - 6A2 + 11 A -10I a) Null matrix b) Identity matrix c) -4I d) None of the above
Evaluate A3 - 6A2 + 11 A -10Ia) Null matrixb) Identity matrixc) -4Id) None of the above
sh!va
340
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
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2
votes
1
answer
92
ISRO 2009-ECE MOD Counter
A certain JK FF has $t_{pd}$=12 ns. The largest MOD counter that can be constructed from such FFs and still operate up to 10 MHz is a) 16 b) 256 c) 8 d) 128
A certain JK FF has $t_{pd}$=12 ns. The largest MOD counter that can be constructed from such FFs and still operate up to 10 MHz isa) 16b) 256c) 8d) 128
sh!va
2.1k
views
sh!va
asked
Feb 28, 2017
Digital Logic
isro-ece
digital-logic
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1
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93
ISRO 2009- ECE Computer Architecture
Consider the following program for 8085 XRA A LXI B, 0007H LOOP : DCX B JNZ LOOP The loop will be executed a) 8 times b) once c) 7 times d) infinite times
Consider the following program for 8085 XRA A LXI B, 0007HLOOP : DCX B JNZ LOOPThe loop will be executeda) 8 timesb) on...
sh!va
840
views
sh!va
asked
Feb 28, 2017
CO and Architecture
co-and-architecture
isro-ece
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1
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94
ISRO 2010-ECE Continuity in functions
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sh!va
352
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sh!va
asked
Feb 28, 2017
Calculus
isro-ece
engineering-mathematics
calculus
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1
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1
answer
95
ISRO 2010- ECE Huffman code length
A zero memory source emits six messages with probabilities 0.3, 0.25, 0.15, 0.12, 0.1 and 0.08. If binary Huffman coding is used, what will be the average code length? a) 2.45 bits b) 3.45 bits c) 2.54 bits d) 3.54 bits
A zero memory source emits six messages with probabilities 0.3, 0.25, 0.15, 0.12, 0.1 and 0.08. If binary Huffman coding is used, what will be the average code length?a) ...
sh!va
2.7k
views
sh!va
asked
Feb 28, 2017
Computer Networks
isro-ece
computer-networks
huffman-code
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2
votes
1
answer
96
ISRO2010-ECE Pipeline Hazard
Consider the following assembly code for a hypothetical RISC processor with a $4$-stage pipeline (Instruction Fetch, Decode/Register Read, Execute and Write). add r1,r2,r3 // r1 = r2+r3 sub r4,r1,r3 //r4 = r1 - r3 mul r5,r2, ... . Read after write hazard during mul Read after write hazard during sub Read after write hazard during add Write after write hazard during mul
Consider the following assembly code for a hypothetical RISC processor with a $4$-stage pipeline (Instruction Fetch, Decode/Register Read, Execute and Write).add r1,r2,r3...
sh!va
714
views
sh!va
asked
Feb 28, 2017
CO and Architecture
isro-ece
isro2011-ece
co-and-architecture
pipelining
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0
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1
answer
97
ISRO 2010-ECE Cache memory
A microprocessor has a cache memory with access time of 2 ns and a main memory with access time of 10 ns. If the cache miss ratio is 0.6, what is the average memory access time? a) 6.8 ns b) 6 ns c) 5.2 ns d) 12 ns
A microprocessor has a cache memory with access time of 2 ns and a main memory with access time of 10 ns. If the cache miss ratio is 0.6, what is the average memory acces...
sh!va
404
views
sh!va
asked
Feb 28, 2017
CO and Architecture
isro-ece
co-and-architecture
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2
votes
2
answers
98
ISRO 2010-ECE Calculus
What does the following integral evaluate to? a) 5 π /16 b) 5 π /8 c) 0 d) 5 π /32
What does the following integral evaluate to?a) 5 π /16b) 5 π /8c) 0d) 5 π /32
sh!va
462
views
sh!va
asked
Feb 28, 2017
Calculus
isro-ece
engineering-mathematics
calculus
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1
votes
1
answer
99
ISRO 2010-ECE Shift register
Given shift register is initially loaded with the bit pattern "1010". After how many clock cycles will the content of shift register be "1010" again? a) 5 b) 9 c) 7 d) 15
Given shift register is initially loaded with the bit pattern "1010". After how many clock cycles will the content of shift register be "1010" again?a) 5b) 9c) 7d) 15
sh!va
1.1k
views
sh!va
asked
Feb 28, 2017
Digital Logic
isro-ece
digital-logic
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2
votes
1
answer
100
ISRO 2010-ECE Digital logic
What is the maximum clock frequency at the given circuit can be operated without timing violations? Assume that the Combinational logic delay is 10 ns and the clock duty cycle varies from 40% to 60 %. a) 100 MHz b) 50 MHz c) 40 MHz d) 25 MHz
What is the maximum clock frequency at the given circuit can be operated without timing violations? Assume that the Combinational logic delay is 10 ns and the clock duty ...
sh!va
1.2k
views
sh!va
asked
Feb 28, 2017
Digital Logic
isro-ece
digital-logic
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1
answer
101
ISRO 2010-ECE Matrices
Which of the following is true? a) The product of the eigenvalues of a matrix is equal to the trace of the matrix b) The eigenvalues of a skew-symmetric matrix are real c) A is a nonzero column matrix and B is a nonzero row matrix, then ... equations is consistent if and only if the rank of the coefficient matrix is less than or equal to the rank of the augmented matrix
Which of the following is true?a) The product of the eigenvalues of a matrix is equal to the trace of the matrixb) The eigenvalues of a skew-symmetric matrix are realc) A...
sh!va
683
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
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0
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2
answers
102
ISRO 2010-ECE matrices
If every minor of order 'r' of a matrix 'A' is zero, then rank of 'A' is a) greater than 'r' b) equal to 'r' c) less than or equal to 'r' d) less than 'r'
If every minor of order 'r' of a matrix 'A' is zero, then rank of 'A' isa) greater than 'r'b) equal to 'r'c) less than or equal to 'r'd) less than 'r'
sh!va
10.9k
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
engineering-mathematics
linear-algebra
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0
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1
answer
103
ISRO 2011- ECE Linear algebra
The value of x at which y has a minimum for $y = x^2 -3x + 1$ is a. -3/2 b. 3/2 c. 0 d. None of these
The value of x at which y has a minimum for $y = x^2 -3x + 1$ isa. -3/2b. 3/2c. 0d. None of these
sh!va
399
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
isro2011-ece
engineering-mathematics
linear-algebra
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0
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2
answers
104
ISRO 2011-ECE Stack
In what order the elements of a pushdown stack are accessed? a. First In-First Out (FIFO) b. Last In Last Out (LILO) c. Last In First Out (LIFO) d. None of the above
In what order the elements of a pushdown stack are accessed?a. First In-First Out (FIFO)b. Last In Last Out (LILO)c. Last In First Out (LIFO)d. None of the above
sh!va
1.5k
views
sh!va
asked
Feb 28, 2017
DS
isro-ece
isro2011-ece
data-structures
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105
ISRO 2011-ECE Mathematics
(cos 5 ϴ — i sin 5 ϴ )$ ^2$ is same as: a. cos 10 ϴ + i sin 10 ϴ b. cos 25 ϴ - sin 25 ϴ c. (cos ϴ + i sin ϴ )$^ {-10}$ d. (cos ϴ - i sin ϴ )$^{-10}$
(cos 5 ϴ — i sin 5 ϴ )$ ^2$ is same as:a. cos 10 ϴ + i sin 10 ϴb. cos 25 ϴ - sin 25 ϴc. (cos ϴ + i sin ϴ )$^ {-10}$d. (cos ϴ - i sin ϴ )$^{-10}$
sh!va
224
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
isro2011-ece
engineering-mathematics
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1
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1
answer
106
ISRO 2011-ECE Operating system
In a real time system, the simplest scheme that allows the operating system to allocate memory to two processes simultaneously is _____ a. Over lays b. Pipeline c. Swapping d. None of the above
In a real time system, the simplest scheme that allows the operating system to allocate memory to two processes simultaneously is _____a. Over laysb. Pipelinec. Swapping...
sh!va
575
views
sh!va
asked
Feb 28, 2017
Operating System
isro-ece
operating-system
isro2011-ece
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1
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107
ISRO 2011-ECE : Complex Numbers
(3 + i)/(5 + 5i) is same as a. (2 - i)/5 b. 3 - i c. 5 - 5i d. (2 + i)/5
(3 + i)/(5 + 5i) is same asa. (2 - i)/5b. 3 - ic. 5 - 5id. (2 + i)/5
sh!va
436
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sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
isro2011-ece
engineering-mathematics
linear-algebra
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0
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3
answers
108
ISRO 2011-ECE Operating System
A run-time stack cannot be used in a round-robin scheduling system because of the _______ nature of scheduling. a. LIFO (Last in First out) b. FIFO ( First in First out) c. FILO (First in Last out) d. None of the above
A run-time stack cannot be used in a round-robin scheduling system because of the _______ nature of scheduling.a. LIFO (Last in First out)b. FIFO ( First in First out)c. ...
sh!va
804
views
sh!va
asked
Feb 28, 2017
Operating System
isro-ece
isro2011-ece
operating-system
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0
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109
ISRO 2011- ECE Digital Logic
________ has the maximum fan out capacity a. MOS b. CMOS c. ECL d. RTL
________ has the maximum fan out capacitya. MOSb. CMOSc. ECLd. RTL
sh!va
1.4k
views
sh!va
asked
Feb 28, 2017
Digital Logic
isro-ece
isro2011-ece
digital-logic
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1
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1
answer
110
ISRO 2011- ECE Computer networks
_________ is used to describe the light gathering or light collecting ability of an optical fiber a. Critical angle b. Cut-off wavelength c. Numerical Aperture d. Acceptance angle
_________ is used to describe the light gathering or light collecting ability of an optical fibera. Critical angleb. Cut-off wavelengthc. Numerical Apertured. Acceptance ...
sh!va
958
views
sh!va
asked
Feb 28, 2017
Computer Networks
isro-ece
isro2011-ece
computer-networks
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111
ISRO 2011-ECE Computer Architecture
In a 8085 microprocessor system with memory mapped I/O a. I/O devices have 8 bit address b. I/O devices are accessed using IN and OUT instructions. c. There can be maximum 256 input and 256 output devices d. Arithmetic and logic operations can be directly performed with I/O data
In a 8085 microprocessor system with memory mapped I/Oa. I/O devices have 8 bit addressb. I/O devices are accessed using IN and OUT instructions.c. There can be maximum 2...
sh!va
365
views
sh!va
asked
Feb 28, 2017
CO and Architecture
isro-ece
isro2011-ece
co-and-architecture
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1
votes
0
answers
112
ISRO 2011-ECE Computer networks
For a fast communication which of the following requirements have to be met a. Large bandwidth b. High S/N ratio c. High channel capacity d. None of the above
For a fast communication which of the following requirements have to be meta. Large bandwidthb. High S/N ratioc. High channel capacityd. None of the above
sh!va
1.6k
views
sh!va
asked
Feb 28, 2017
Computer Networks
isro-ece
isro2011-ece
computer-networks
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0
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1
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113
ISRO 2011-ECE Computer networks
In phase modulated signal, the frequency deviation is proportional to a. Frequency only b. Amplitude only c. Both (a) and (b) d. none of the above
In phase modulated signal, the frequency deviation is proportional toa. Frequency onlyb. Amplitude onlyc. Both (a) and (b)d. none of the above
sh!va
1.1k
views
sh!va
asked
Feb 28, 2017
Computer Networks
isro-ece
isro2011-ece
computer-networks
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114
ISRO 2011-ECE Mathematics
a) 3/2 b) 2/3 c) 8/9 d) 8/13
a) 3/2b) 2/3c) 8/9d) 8/13
sh!va
245
views
sh!va
asked
Feb 28, 2017
Calculus
isro-ece
isro2011-ece
engineering-mathematics
calculus
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0
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115
ISRO 2011-ECE Computer Architecture
When a microprocessor interfaces with a peripheral or memory device, the normal timing of the microprocessor may need to be altered by introducing____ a. Latching b. Wait states c. Tristate logics d. None of the above
When a microprocessor interfaces with a peripheral or memory device, the normal timing of the microprocessor may need to be altered by introducing____a. Latchingb. Wait s...
sh!va
308
views
sh!va
asked
Feb 28, 2017
CO and Architecture
isro-ece
isro2011-ece
co-and-architecture
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0
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116
ISRO 2011-ECE Computer Architecture
Which of the following statement regarding a constant is not true a. Constant defined in a package can be referenced by any entity or architecture for which package is used. b. The value of constant can be changed with in ... architecture is visible only to that architecture d. Constant defined in a process declarative region is not visible outside that process
Which of the following statement regarding a constant is not truea. Constant defined in a package can be referenced by any entity or architecture for which package is use...
sh!va
255
views
sh!va
asked
Feb 28, 2017
CO and Architecture
isro-ece
isro2011-ece
co-and-architecture
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1
votes
0
answers
117
ISRO 2011- ECE Digital Logic
The function of a strobe function in digital system is a. To reset memory register. b. To check the functioning of a logic gate c. To avoid race problem d. To tri-state the output of the register
The function of a strobe function in digital system isa. To reset memory register.b. To check the functioning of a logic gatec. To avoid race problemd. To tri-state the o...
sh!va
752
views
sh!va
asked
Feb 28, 2017
Digital Logic
isro-ece
isro2011-ece
digital-logic
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1
answer
118
ISRO 2011-ECE Computer Networks
Go-stationary satellites are placed in equatorial orbits at the height approximately a. 1000 km b. 15000 km c. 25000 km d. 36000 km
Go-stationary satellites are placed in equatorial orbits at the height approximatelya. 1000 kmb. 15000 kmc. 25000 kmd. 36000 km
sh!va
315
views
sh!va
asked
Feb 28, 2017
Computer Networks
isro-ece
isro2011-ece
computer-networks
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2
answers
119
ISRO 2011-ECE Computer networks
The bandwidth of a 'N' bit binary coded PCM signal for modulating a signal having bandwidth of f Hz is a. f/N Hz. b. f c. Nf d. N
The bandwidth of a 'N' bit binary coded PCM signal for modulating a signal having bandwidth of f Hz isa. f/N Hz.b. fc. Nfd. N
sh!va
1.3k
views
sh!va
asked
Feb 28, 2017
Computer Networks
isro-ece
isro2011-ece
computer-networks
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1
answer
120
ISRO 2011- Engineering mathematics
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sh!va
269
views
sh!va
asked
Feb 28, 2017
Linear Algebra
isro-ece
engineering-mathematics
isro2011-ece
calculus
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